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Introduction to Atomic Structure

In NaCl cryst...

Question

In NaCl crystal each CL minus ion is surrounded by

a) 4 Na+ ions

B) 6 Na

C) 1 Na

D) 2 Na

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Solution

Sodium chloride crystal consists of Na+ and Cl- ions. Each Na+ ion is surrounded by six Cl- ions and each Cl-ion is surrounded by six Na+ ions. Thus, in sodium chloride, NA+ AS WELL AS Cl- ions have the coordination number of 6.

Therefore Option B is correct

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